Positron induced electron emission from graphene

14th International Workshop on Slow Positron Beam Techniques & Applications

Chirayath, V.A.^1 ; Gladen, R.W.^1 ; Shastry, K.^1 ; Chrysler, M.D.^1 ; Fairchild, A.J.^1 ; McDonald, A.D.^1 ; Koymen, A.R.^1 ; Barbiellini, B.^2 ; Weiss, A.H.^1

Dept. of Physics, University of Texas at Arlington, Arlington

76019-0059, United States^1

Dept. of Physics, Northeastern University, Boston

MA

02115, United States^2

关键词: Electron energy spectrum;    Graphene layers;    Graphite samples;    Low-energy peaks;    Multilayer graphene;    Polycrystalline;    Positron beam system;    Time-of-flight spectrometer;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/791/1/012033/pdf
DOI  :  10.1088/1742-6596/791/1/012033

来源: IOP

【 摘 要 】

We report here the energy spectra of positron-induced electrons emitted from single- and multilayer graphene films. One of UT Arlington's two Time of Flight positron beam systems was used to deposit very low energy (KE